/**
 * Aniwin Document Manager - Frontend Styles
 * Modern, responsive design for document management
 */

/* ==========================================================================
   CSS Variables for easy theming
   ========================================================================== */
:root {
  /* Colors */
  --aniwin-dm-primary: #f85f1c;
  --aniwin-dm-primary-hover: #d85015; /* Darker shade for hover */
  --aniwin-dm-secondary: #64748b;
  --aniwin-dm-secondary-hover: #475569;
  --aniwin-dm-success: #059669;
  --aniwin-dm-danger: #dc2626;
  --aniwin-dm-warning: #d97706;
  
  /* Grays */
  --aniwin-dm-gray-50: #f8fafc;
  --aniwin-dm-gray-100: #f1f5f9;
  --aniwin-dm-gray-200: #e2e8f0;
  --aniwin-dm-gray-300: #cbd5e1;
  --aniwin-dm-gray-400: #94a3b8;
  --aniwin-dm-gray-500: #64748b;
  --aniwin-dm-gray-600: #475569;
  --aniwin-dm-gray-700: #334155;
  --aniwin-dm-gray-800: #1e293b;
  --aniwin-dm-gray-900: #0f172a;
  
  /* Spacing */
  --aniwin-dm-space-1: 0.25rem;
  --aniwin-dm-space-2: 0.5rem;
  --aniwin-dm-space-3: 0.75rem;
  --aniwin-dm-space-4: 1rem;
  --aniwin-dm-space-5: 1.25rem;
  --aniwin-dm-space-6: 1.5rem;
  --aniwin-dm-space-8: 2rem;
  --aniwin-dm-space-10: 2.5rem;
  --aniwin-dm-space-12: 3rem;
  
  /* Border radius */
  --aniwin-dm-radius: 4px;
  
  /* Typography */
  --aniwin-dm-font-weight-medium: 500;
  --aniwin-dm-font-weight-semibold: 600;
  --aniwin-dm-font-weight-bold: 700;
  
  /* Transitions */
  --aniwin-dm-transition: all 0.2s ease-in-out;
}

/* ==========================================================================
   Base Styles & Utilities
   ========================================================================== */
.aniwin-dm-header,
.aniwin-dm-navigation,
.aniwin-dm-content,
.aniwin-dm-filters,
.aniwin-dm-table-container,
.aniwin-dm-cards,
.aniwin-dm-pagination {
  box-sizing: border-box;
}

.aniwin-dm-header *,
.aniwin-dm-navigation *,
.aniwin-dm-content *,
.aniwin-dm-filters *,
.aniwin-dm-table-container *,
.aniwin-dm-cards *,
.aniwin-dm-pagination * {
  box-sizing: border-box;
}

/* ==========================================================================
   Responsive Viewport Correction
   ========================================================================== */

/* Mobile First: By default, show mobile cards and hide desktop table */
.aniwin-dm-desktop-only {
    display: none !important;
}
.aniwin-dm-mobile-only {
    display: block !important; /* Will be overridden by .aniwin-dm-cards if needed */
}

/* For screens larger than 767px (tablets and desktops) */
@media (min-width: 768px) {
    .aniwin-dm-desktop-only {
        display: block !important;
    }
    .aniwin-dm-mobile-only {
        display: none !important;
    }
}

/* ==========================================================================
   Header Section
   ========================================================================== */
.aniwin-dm-header {
  margin-bottom: var(--aniwin-dm-space-8);
}

.aniwin-dm-title {
  margin: 0 0 var(--aniwin-dm-space-4) 0;
  font-size: 1.875rem;
  font-weight: var(--aniwin-dm-font-weight-bold);
  color: var(--aniwin-dm-gray-900);
  line-height: 1.2;
}

.aniwin-dm-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--aniwin-dm-space-2);
  font-size: 0.875rem;
  color: var(--aniwin-dm-gray-600);
}

.aniwin-dm-breadcrumb-link {
  color: var(--aniwin-dm-primary);
  text-decoration: none;
  transition: var(--aniwin-dm-transition);
}

.aniwin-dm-breadcrumb-link:hover {
  color: var(--aniwin-dm-primary-hover);
  text-decoration: underline;
}

.aniwin-dm-breadcrumb-separator {
  color: var(--aniwin-dm-gray-400);
}

.aniwin-dm-breadcrumb-current {
  font-weight: var(--aniwin-dm-font-weight-medium);
  color: var(--aniwin-dm-gray-800);
}

/* ==========================================================================
   Navigation Grid
   ========================================================================== */
.aniwin-dm-navigation {
  margin-bottom: var(--aniwin-dm-space-8);
}

.aniwin-dm-nav-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--aniwin-dm-space-4);
}

@media (max-width: 640px) {
  .aniwin-dm-nav-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--aniwin-dm-space-3);
  }
}

@media (max-width: 480px) {
  .aniwin-dm-nav-grid {
    grid-template-columns: 1fr;
  }
}

.aniwin-dm-nav-item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--aniwin-dm-space-6) var(--aniwin-dm-space-4);
  background: white;
  border: 2px solid var(--aniwin-dm-gray-200);
  border-radius: var(--aniwin-dm-radius);
  color: var(--aniwin-dm-gray-700);
  text-decoration: none;
  transition: var(--aniwin-dm-transition);
  min-height: 120px;
  justify-content: center;
}

.aniwin-dm-nav-item:hover {
  border-color: var(--aniwin-dm-primary);
}

.aniwin-dm-nav-item--active {
  border-color: var(--aniwin-dm-primary);
  background: var(--aniwin-dm-primary);
  color: white;
}

.aniwin-dm-nav-icon {
  width: 32px;
  height: 32px;
  margin-bottom: var(--aniwin-dm-space-3);
  opacity: 0.8;
}

.aniwin-dm-nav-item--active .aniwin-dm-nav-icon {
  opacity: 1;
}

.aniwin-dm-nav-icon svg {
  width: 100%;
  height: 100%;
}

.aniwin-dm-nav-label {
  font-size: 0.875rem;
  font-weight: var(--aniwin-dm-font-weight-medium);
  text-align: center;
  line-height: 1.4;
}

.aniwin-dm-nav-indicator {
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 4px;
  background: white;
  border-radius: var(--aniwin-dm-radius);
}

/* ==========================================================================
   Overview Section
   ========================================================================== */
.aniwin-dm-overview {
  text-align: center;
  padding: var(--aniwin-dm-space-12) var(--aniwin-dm-space-6);
  background: var(--aniwin-dm-gray-50);
  border-radius: var(--aniwin-dm-radius);
  border: 1px solid var(--aniwin-dm-gray-200);
}

.aniwin-dm-overview-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--aniwin-dm-space-6);
  color: var(--aniwin-dm-gray-400);
}

.aniwin-dm-overview-icon svg {
  width: 100%;
  height: 100%;
}

.aniwin-dm-overview-title {
  margin: 0 0 var(--aniwin-dm-space-4) 0;
  font-size: 1.5rem;
  font-weight: var(--aniwin-dm-font-weight-semibold);
  color: var(--aniwin-dm-gray-900);
}

.aniwin-dm-overview-description {
  margin: 0;
  font-size: 1rem;
  color: var(--aniwin-dm-gray-600);
  line-height: 1.6;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ==========================================================================
   Content Section
   ========================================================================== */
.aniwin-dm-content {
  background: white;
  border-radius: var(--aniwin-dm-radius);
  overflow: hidden;
  border: 1px solid var(--aniwin-dm-gray-200);
}

.aniwin-dm-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--aniwin-dm-space-6) var(--aniwin-dm-space-6) var(--aniwin-dm-space-4);
  border-bottom: 1px solid var(--aniwin-dm-gray-200);
}

@media (max-width: 640px) {
  .aniwin-dm-section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--aniwin-dm-space-2);
  }
}

.aniwin-dm-section-title {
  margin: 0;
  font-size: 1.5rem;
  font-weight: var(--aniwin-dm-font-weight-semibold);
  color: var(--aniwin-dm-gray-900);
}

.aniwin-dm-counter-text {
  font-size: 0.875rem;
  color: var(--aniwin-dm-gray-600);
  font-weight: var(--aniwin-dm-font-weight-medium);
}

/* ==========================================================================
   Filters
   ========================================================================== */
.aniwin-dm-filters {
  padding: var(--aniwin-dm-space-6);
  background: var(--aniwin-dm-gray-50);
  border-bottom: 1px solid var(--aniwin-dm-gray-200);
}

.aniwin-dm-filter-form {
  max-width: 100%;
}

.aniwin-dm-filter-row {
  display: flex;
  gap: var(--aniwin-dm-space-4);
  align-items: end;
  flex-wrap: wrap;
}

@media (max-width: 640px) {
  .aniwin-dm-filter-row {
    flex-direction: column;
    align-items: stretch;
    gap: var(--aniwin-dm-space-4);
  }
}

.aniwin-dm-filter-group {
  flex: 1;
  min-width: 180px;
}

@media (max-width: 640px) {
  .aniwin-dm-filter-group {
    min-width: auto;
  }
}

.aniwin-dm-filter-label {
  display: block;
  margin-bottom: var(--aniwin-dm-space-2);
  font-size: 0.875rem;
  font-weight: var(--aniwin-dm-font-weight-medium);
  color: var(--aniwin-dm-gray-700);
}

.aniwin-dm-filter-input {
  width: 100%;
  padding: var(--aniwin-dm-space-3) var(--aniwin-dm-space-4);
  border: 1px solid var(--aniwin-dm-gray-300);
  border-radius: var(--aniwin-dm-radius);
  font-size: 0.875rem;
  transition: var(--aniwin-dm-transition);
  background: white;
}

.aniwin-dm-filter-input:focus {
  outline: none;
  border-color: var(--aniwin-dm-primary);
}

.aniwin-dm-filter-actions {
  display: flex;
  gap: var(--aniwin-dm-space-3);
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .aniwin-dm-filter-actions {
    width: 100%;
    justify-content: stretch;
  }
  
  .aniwin-dm-filter-actions .aniwin-dm-btn {
    flex: 1;
  }
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.aniwin-dm-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--aniwin-dm-space-2);
  padding: var(--aniwin-dm-space-3) var(--aniwin-dm-space-6);
  font-size: 0.875rem;
  font-weight: var(--aniwin-dm-font-weight-medium);
  line-height: 1;
  border: 1px solid transparent;
  border-radius: var(--aniwin-dm-radius);
  cursor: pointer;
  transition: var(--aniwin-dm-transition);
  text-decoration: none;
  white-space: nowrap;
  min-height: 44px; /* Touch-friendly */
}

.aniwin-dm-btn:focus {
  outline: none;
}

.aniwin-dm-btn--primary {
  background: var(--aniwin-dm-primary);
  color: white;
  border-color: var(--aniwin-dm-primary);
}

.aniwin-dm-btn--primary:hover {
  background: var(--aniwin-dm-primary-hover);
  border-color: var(--aniwin-dm-primary-hover);
  color: white;
}

.aniwin-dm-btn--secondary {
  background: var(--aniwin-dm-secondary);
  color: white;
  border-color: var(--aniwin-dm-secondary);
}

.aniwin-dm-btn--secondary:hover {
  background: var(--aniwin-dm-secondary-hover);
  border-color: var(--aniwin-dm-secondary-hover);
  color: white;
}

.aniwin-dm-btn--outline {
  background: white;
  color: var(--aniwin-dm-gray-700);
  border-color: var(--aniwin-dm-gray-300);
}

.aniwin-dm-btn--outline:hover {
  background: var(--aniwin-dm-gray-50);
  border-color: var(--aniwin-dm-gray-400);
  color: var(--aniwin-dm-gray-800);
}

.aniwin-dm-btn--small {
  padding: var(--aniwin-dm-space-2) var(--aniwin-dm-space-4);
  font-size: 0.75rem;
  min-height: 36px;
}

.aniwin-dm-btn--block {
  width: 100%;
}

.aniwin-dm-btn-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.aniwin-dm-btn--small .aniwin-dm-btn-icon {
  width: 14px;
  height: 14px;
}

/* ==========================================================================
   Filter Presets
   ========================================================================== */

.aniwin-dm-filter-presets {
  display: flex;
  align-items: center;
  gap: var(--aniwin-dm-space-3);
  margin-bottom: var(--aniwin-dm-space-4);
  flex-wrap: wrap;
}

.aniwin-dm-filter-presets label {
  font-size: 0.875rem;
  font-weight: var(--aniwin-dm-font-weight-medium);
  color: var(--aniwin-dm-gray-700);
  margin-right: var(--aniwin-dm-space-1);
}

.aniwin-dm-preset-btn {
  padding: var(--aniwin-dm-space-2) var(--aniwin-dm-space-3);
  font-size: 0.8125rem; /* Un poco más pequeño */
  background: var(--aniwin-dm-gray-100);
  color: var(--aniwin-dm-gray-800);
  border: 1px solid var(--aniwin-dm-gray-300);
  border-radius: var(--aniwin-dm-radius);
  cursor: pointer;
  transition: var(--aniwin-dm-transition);
}

.aniwin-dm-preset-btn:hover {
  background: var(--aniwin-dm-gray-200);
  border-color: var(--aniwin-dm-gray-400);
  color: var(--aniwin-dm-gray-900);
}

/* ==========================================================================
   Desktop Table
   ========================================================================== */
.aniwin-dm-table-container {
  overflow-x: auto;
}

.aniwin-dm-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.aniwin-dm-th {
  text-align: left;
  padding: var(--aniwin-dm-space-4) var(--aniwin-dm-space-6);
  background: var(--aniwin-dm-gray-50);
  border-bottom: 2px solid var(--aniwin-dm-gray-200);
  font-weight: var(--aniwin-dm-font-weight-semibold);
  color: var(--aniwin-dm-gray-700);
  white-space: nowrap;
}

.aniwin-dm-th--document {
  width: 40%;
}

.aniwin-dm-th--date {
  width: 25%;
}

.aniwin-dm-th--actions {
  width: 35%;
}

.aniwin-dm-table-row {
  border-bottom: 1px solid var(--aniwin-dm-gray-200);
  transition: var(--aniwin-dm-transition);
}

.aniwin-dm-table-row:hover {
  background: var(--aniwin-dm-gray-50);
}

.aniwin-dm-td {
  padding: var(--aniwin-dm-space-4) var(--aniwin-dm-space-6);
  vertical-align: middle;
}

.aniwin-dm-td--document strong {
  color: var(--aniwin-dm-gray-900);
  font-weight: var(--aniwin-dm-font-weight-medium);
}

.aniwin-dm-td--date time {
  color: var(--aniwin-dm-gray-600);
}

.aniwin-dm-actions {
  display: flex;
  gap: var(--aniwin-dm-space-3);
  align-items: center;
}

.aniwin-dm-no-document {
  font-size: 0.75rem;
  color: var(--aniwin-dm-gray-500);
  font-style: italic;
}

/* ==========================================================================
   Mobile Cards
   ========================================================================== */
.aniwin-dm-cards {
  padding: var(--aniwin-dm-space-6);
  display: flex;
  flex-direction: column;
  gap: var(--aniwin-dm-space-4);
}

.aniwin-dm-card {
  background: white;
  border: 1px solid var(--aniwin-dm-gray-200);
  border-radius: var(--aniwin-dm-radius);
  overflow: hidden;
}

.aniwin-dm-card:hover {
  border-color: var(--aniwin-dm-gray-300);
}

.aniwin-dm-card-header {
  display: flex;
  align-items: center;
  gap: var(--aniwin-dm-space-4);
  padding: var(--aniwin-dm-space-5);
  border-bottom: 1px solid var(--aniwin-dm-gray-200);
}

.aniwin-dm-card-icon {
  width: 40px;
  height: 40px;
  color: var(--aniwin-dm-primary);
  flex-shrink: 0;
}

.aniwin-dm-card-icon svg {
  width: 100%;
  height: 100%;
}

.aniwin-dm-card-info {
  flex: 1;
  min-width: 0;
}

.aniwin-dm-card-title {
  margin: 0 0 var(--aniwin-dm-space-1) 0;
  font-size: 1rem;
  font-weight: var(--aniwin-dm-font-weight-medium);
  color: var(--aniwin-dm-gray-900);
  word-break: break-word;
}

.aniwin-dm-card-date {
  font-size: 0.875rem;
  color: var(--aniwin-dm-gray-600);
}

.aniwin-dm-card-actions {
  padding: var(--aniwin-dm-space-5);
  display: flex;
  flex-direction: column;
  gap: var(--aniwin-dm-space-3);
}

.aniwin-dm-card-no-file {
  padding: var(--aniwin-dm-space-5);
  text-align: center;
  color: var(--aniwin-dm-gray-500);
  font-size: 0.875rem;
  font-style: italic;
}

/* ==========================================================================
   Pagination
   ========================================================================== */
.aniwin-dm-pagination {
  padding: var(--aniwin-dm-space-6);
  border-top: 1px solid var(--aniwin-dm-gray-200);
}

.aniwin-dm-pagination-links {
  display: flex;
  justify-content: center;
  gap: var(--aniwin-dm-space-2);
  flex-wrap: wrap;
}

.aniwin-dm-pagination-item a,
.aniwin-dm-pagination-item span {
  display: flex;
  align-items: center;
  gap: var(--aniwin-dm-space-1);
  padding: var(--aniwin-dm-space-2) var(--aniwin-dm-space-3);
  min-width: 44px;
  min-height: 44px;
  justify-content: center;
  border: 1px solid var(--aniwin-dm-gray-300);
  border-radius: var(--aniwin-dm-radius);
  font-size: 0.875rem;
  font-weight: var(--aniwin-dm-font-weight-medium);
  text-decoration: none;
  transition: var(--aniwin-dm-transition);
}

.aniwin-dm-pagination-item a {
  color: var(--aniwin-dm-gray-700);
  background: white;
}

.aniwin-dm-pagination-item a:hover {
  background: var(--aniwin-dm-gray-50);
  border-color: var(--aniwin-dm-gray-400);
}

.aniwin-dm-pagination-item .current {
  background: var(--aniwin-dm-primary);
  color: white;
  border-color: var(--aniwin-dm-primary);
}

.aniwin-dm-pagination-item .dots {
  border: none;
  background: none;
  color: var(--aniwin-dm-gray-400);
}

.aniwin-dm-pagination-item svg {
  width: 16px;
  height: 16px;
}

/* ==========================================================================
   Empty States
   ========================================================================== */
.aniwin-dm-empty {
  text-align: center;
  padding: var(--aniwin-dm-space-12) var(--aniwin-dm-space-6);
}

.aniwin-dm-empty-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--aniwin-dm-space-6);
  color: var(--aniwin-dm-gray-300);
}

.aniwin-dm-empty-icon svg {
  width: 100%;
  height: 100%;
}

.aniwin-dm-empty-title {
  margin: 0 0 var(--aniwin-dm-space-4) 0;
  font-size: 1.25rem;
  font-weight: var(--aniwin-dm-font-weight-medium);
  color: var(--aniwin-dm-gray-700);
}

.aniwin-dm-empty-description {
  margin: 0 0 var(--aniwin-dm-space-6) 0;
  font-size: 1rem;
  color: var(--aniwin-dm-gray-500);
  line-height: 1.6;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

/* ==========================================================================
   Error States
   ========================================================================== */
.aniwin-dm-error {
  padding: var(--aniwin-dm-space-4);
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: var(--aniwin-dm-radius);
  color: #991b1b;
  font-size: 0.875rem;
  margin: var(--aniwin-dm-space-4) 0;
}

/* ==========================================================================
   Responsive Adjustments
   ========================================================================== */
@media (max-width: 480px) {
  .aniwin-dm-title {
    font-size: 1.5rem;
  }
  
  .aniwin-dm-section-title {
    font-size: 1.25rem;
  }
  
  .aniwin-dm-nav-item {
    min-height: 100px;
    padding: var(--aniwin-dm-space-5) var(--aniwin-dm-space-3);
  }
  
  .aniwin-dm-nav-icon {
    width: 28px;
    height: 28px;
  }
  
  .aniwin-dm-nav-label {
    font-size: 0.8125rem;
  }
  
  .aniwin-dm-overview {
    padding: var(--aniwin-dm-space-8) var(--aniwin-dm-space-4);
  }
  
  .aniwin-dm-overview-title {
    font-size: 1.25rem;
  }
  
  .aniwin-dm-overview-description {
    font-size: 0.875rem;
  }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */
@media print {
  .aniwin-dm-navigation,
  .aniwin-dm-filters,
  .aniwin-dm-pagination,
  .aniwin-dm-btn {
    display: none !important;
  }
  
  .aniwin-dm-content {
    box-shadow: none;
    border: 1px solid #000;
  }
  
  .aniwin-dm-table {
    border: 1px solid #000;
  }
  
  .aniwin-dm-th,
  .aniwin-dm-td {
    border: 1px solid #000;
  }
}